Merge pull request 'Update dependency annotaterb to v4.19.0' (#317) from renovate/annotaterb-4.x-lockfile into main

Reviewed-on: #317

.gitea/workflows/tests.yml

@@ -19,7 +19,7 @@ jobs:
         ports:
           - 5432
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           ref: ${{ github.head_ref }} # Checkout the actual branch, not the result if merged into the base
@@ -68,7 +68,7 @@ jobs:
     if: github.event_name == 'pull_request'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
       - uses: ruby/setup-ruby@v1
@@ -78,7 +78,7 @@ jobs:
     if: github.event_name == 'pull_request'
     runs-on: ubuntu-latest
     steps:
-        - uses: actions/checkout@v4
+        - uses: actions/checkout@v5
           with:
             token: ${{ secrets.GITHUB_TOKEN }}
         - uses: ruby/setup-ruby@v1
@@ -90,7 +90,7 @@ jobs:
     if: github.event_name == 'pull_request'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           token: ${{ secrets.ACTIONS_TOKEN }}
           ref: ${{ github.head_ref }}
@@ -125,7 +125,7 @@ jobs:
     needs:
       - unit_tests
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
 

.ruby-version

@@ -1 +1 @@
-ruby-3.4.2
+ruby-3.4.3

Dockerfile

@@ -1,7 +1,7 @@
 # syntax = docker/dockerfile:1
 
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
-ARG RUBY_VERSION=3.4.2
+ARG RUBY_VERSION=3.4.3
 FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim AS base
 
 # Rails app lives here
@@ -13,7 +13,7 @@ ENV RAILS_ENV="production" \
     BUNDLE_PATH="/usr/local/bundle" \
     BUNDLE_WITHOUT="development"
 
-RUN apt-get update && apt-get install -y nodejs
+RUN apt-get update && apt-get install -y nodejs wkhtmltopdf
 
 # Throw-away build stage to reduce size of final image
 FROM base AS build

Dockerfile.dev

@@ -1,13 +1,13 @@
 # syntax = docker/dockerfile:1
 
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
-ARG RUBY_VERSION=3.4.2
+ARG RUBY_VERSION=3.4.3
 FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base
 
 # Rails app lives here
 WORKDIR /rails
 
-RUN apt-get update && apt-get install -y nodejs
+RUN apt-get update && apt-get install -y nodejs wkhtmltopdf
 
 FROM base as build
 

Gemfile

@@ -2,7 +2,7 @@
 
 source 'https://rubygems.org'
 
-ruby '3.4.2'
+ruby '3.4.3'
 gem 'bootsnap', require: false
 gem 'csv'
 gem 'importmap-rails'
@@ -51,3 +51,7 @@ gem 'chroma'
 gem 'solid_queue', '~> 1.0'
 
 gem 'devise', '~> 4.9'
+
+gem 'wicked_pdf', '~> 2.8'
+
+gem 'rqrcode', '~> 3.1'

Gemfile.lock

@@ -1,29 +1,29 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (8.0.2)
+    actioncable (8.0.2.1)
-      actionpack (= 8.0.2)
+      actionpack (= 8.0.2.1)
-      activesupport (= 8.0.2)
+      activesupport (= 8.0.2.1)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
       zeitwerk (~> 2.6)
-    actionmailbox (8.0.2)
+    actionmailbox (8.0.2.1)
-      actionpack (= 8.0.2)
+      actionpack (= 8.0.2.1)
-      activejob (= 8.0.2)
+      activejob (= 8.0.2.1)
-      activerecord (= 8.0.2)
+      activerecord (= 8.0.2.1)
-      activestorage (= 8.0.2)
+      activestorage (= 8.0.2.1)
-      activesupport (= 8.0.2)
+      activesupport (= 8.0.2.1)
       mail (>= 2.8.0)
-    actionmailer (8.0.2)
+    actionmailer (8.0.2.1)
-      actionpack (= 8.0.2)
+      actionpack (= 8.0.2.1)
-      actionview (= 8.0.2)
+      actionview (= 8.0.2.1)
-      activejob (= 8.0.2)
+      activejob (= 8.0.2.1)
-      activesupport (= 8.0.2)
+      activesupport (= 8.0.2.1)
       mail (>= 2.8.0)
       rails-dom-testing (~> 2.2)
-    actionpack (8.0.2)
+    actionpack (8.0.2.1)
-      actionview (= 8.0.2)
+      actionview (= 8.0.2.1)
-      activesupport (= 8.0.2)
+      activesupport (= 8.0.2.1)
       nokogiri (>= 1.8.5)
       rack (>= 2.2.4)
       rack-session (>= 1.0.1)
@@ -31,35 +31,35 @@ GEM
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
       useragent (~> 0.16)
-    actiontext (8.0.2)
+    actiontext (8.0.2.1)
-      actionpack (= 8.0.2)
+      actionpack (= 8.0.2.1)
-      activerecord (= 8.0.2)
+      activerecord (= 8.0.2.1)
-      activestorage (= 8.0.2)
+      activestorage (= 8.0.2.1)
-      activesupport (= 8.0.2)
+      activesupport (= 8.0.2.1)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (8.0.2)
+    actionview (8.0.2.1)
-      activesupport (= 8.0.2)
+      activesupport (= 8.0.2.1)
       builder (~> 3.1)
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
-    activejob (8.0.2)
+    activejob (8.0.2.1)
-      activesupport (= 8.0.2)
+      activesupport (= 8.0.2.1)
       globalid (>= 0.3.6)
-    activemodel (8.0.2)
+    activemodel (8.0.2.1)
-      activesupport (= 8.0.2)
+      activesupport (= 8.0.2.1)
-    activerecord (8.0.2)
+    activerecord (8.0.2.1)
-      activemodel (= 8.0.2)
+      activemodel (= 8.0.2.1)
-      activesupport (= 8.0.2)
+      activesupport (= 8.0.2.1)
       timeout (>= 0.4.0)
-    activestorage (8.0.2)
+    activestorage (8.0.2.1)
-      actionpack (= 8.0.2)
+      actionpack (= 8.0.2.1)
-      activejob (= 8.0.2)
+      activejob (= 8.0.2.1)
-      activerecord (= 8.0.2)
+      activerecord (= 8.0.2.1)
-      activesupport (= 8.0.2)
+      activesupport (= 8.0.2.1)
       marcel (~> 1.0)
-    activesupport (8.0.2)
+    activesupport (8.0.2.1)
       base64
       benchmark (>= 0.3)
       bigdecimal
@@ -76,7 +76,9 @@ GEM
       rails (>= 6.0)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
-    annotaterb (4.15.0)
+    annotaterb (4.19.0)
+      activerecord (>= 6.0.0)
+      activesupport (>= 6.0.0)
     ast (2.4.3)
     babel-source (5.8.35)
     babel-transpiler (0.7.0)
@@ -85,7 +87,7 @@ GEM
     base64 (0.3.0)
     bcrypt (3.1.20)
     benchmark (0.4.1)
-    bigdecimal (3.2.1)
+    bigdecimal (3.2.3)
     bindex (0.8.1)
     bootsnap (1.18.6)
       msgpack (~> 1.2)
@@ -93,13 +95,14 @@ GEM
     childprocess (5.1.0)
       logger (~> 1.5)
     chroma (0.2.0)
+    chunky_png (1.4.0)
     coderay (1.1.3)
     concurrent-ruby (1.3.5)
-    connection_pool (2.5.3)
+    connection_pool (2.5.4)
     crass (1.0.6)
     csv (3.3.5)
     date (3.4.1)
-    debug (1.10.0)
+    debug (1.11.0)
       irb (~> 1.10)
       reline (>= 0.3.8)
     devise (4.9.4)
@@ -110,17 +113,17 @@ GEM
       warden (~> 1.2.3)
     diff-lcs (1.6.2)
     drb (2.2.3)
-    erb (5.0.1)
+    erb (5.0.2)
     erubi (1.13.1)
     et-orbi (1.2.11)
       tzinfo
     execjs (2.9.1)
-    factory_bot (6.4.6)
+    factory_bot (6.5.5)
-      activesupport (>= 5.0.0)
+      activesupport (>= 6.1.0)
-    factory_bot_rails (6.4.3)
+    factory_bot_rails (6.5.1)
-      factory_bot (~> 6.4)
+      factory_bot (~> 6.5)
-      railties (>= 5.0.0)
+      railties (>= 6.1.0)
-    faker (3.5.1)
+    faker (3.5.2)
       i18n (>= 1.8.11, < 2)
     fugit (1.11.1)
       et-orbi (~> 1, >= 1.2.11)
@@ -133,11 +136,11 @@ GEM
       multi_xml (>= 0.5.2)
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
-    importmap-rails (2.1.0)
+    importmap-rails (2.2.2)
       actionpack (>= 6.0.0)
       activesupport (>= 6.0.0)
       railties (>= 6.0.0)
-    io-console (0.8.0)
+    io-console (0.8.1)
     irb (1.15.2)
       pp (>= 0.6.0)
       rdoc (>= 4.0.0)
@@ -145,7 +148,7 @@ GEM
     jbuilder (2.13.0)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
-    json (2.12.2)
+    json (2.13.2)
     json-schema (5.0.1)
       addressable (~> 2.8)
     jsonapi-deserializable (0.2.0)
@@ -198,7 +201,7 @@ GEM
     msgpack (1.7.5)
     multi_xml (0.7.1)
       bigdecimal (~> 3.1)
-    net-imap (0.5.6)
+    net-imap (0.5.10)
       date
       net-protocol
     net-pop (0.1.2)
@@ -208,32 +211,37 @@ GEM
     net-smtp (0.5.1)
       net-protocol
     nio4r (2.7.4)
-    nokogiri (1.18.8)
+    nokogiri (1.18.10)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.18.8-aarch64-linux-gnu)
+    nokogiri (1.18.10-aarch64-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.18.8-arm-linux-gnu)
+    nokogiri (1.18.10-arm-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.18.8-arm64-darwin)
+    nokogiri (1.18.10-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.8-x86_64-darwin)
+    nokogiri (1.18.10-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.8-x86_64-linux-gnu)
+    nokogiri (1.18.10-x86_64-linux-gnu)
       racc (~> 1.4)
     orm_adapter (0.5.0)
+    ostruct (0.6.2)
     parallel (1.27.0)
-    parser (3.3.8.0)
+    parser (3.3.9.0)
       ast (~> 2.4.1)
       racc
-    pg (1.5.9)
+    pg (1.6.2)
+    pg (1.6.2-aarch64-linux)
+    pg (1.6.2-arm64-darwin)
+    pg (1.6.2-x86_64-darwin)
+    pg (1.6.2-x86_64-linux)
     pluck_to_hash (1.0.2)
       activerecord (>= 4.0.2)
       activesupport (>= 4.0.2)
     pp (0.6.2)
       prettyprint
     prettyprint (0.2.0)
-    prism (1.4.0)
+    prism (1.5.1)
     pry (0.15.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -241,11 +249,11 @@ GEM
       date
       stringio
     public_suffix (6.0.1)
-    puma (6.6.0)
+    puma (6.6.1)
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.8.1)
-    rack (3.1.15)
+    rack (3.2.1)
     rack-cors (3.0.0)
       logger
       rack (>= 3.0.14)
@@ -256,20 +264,20 @@ GEM
       rack (>= 1.3)
     rackup (2.2.1)
       rack (>= 3)
-    rails (8.0.2)
+    rails (8.0.2.1)
-      actioncable (= 8.0.2)
+      actioncable (= 8.0.2.1)
-      actionmailbox (= 8.0.2)
+      actionmailbox (= 8.0.2.1)
-      actionmailer (= 8.0.2)
+      actionmailer (= 8.0.2.1)
-      actionpack (= 8.0.2)
+      actionpack (= 8.0.2.1)
-      actiontext (= 8.0.2)
+      actiontext (= 8.0.2.1)
-      actionview (= 8.0.2)
+      actionview (= 8.0.2.1)
-      activejob (= 8.0.2)
+      activejob (= 8.0.2.1)
-      activemodel (= 8.0.2)
+      activemodel (= 8.0.2.1)
-      activerecord (= 8.0.2)
+      activerecord (= 8.0.2.1)
-      activestorage (= 8.0.2)
+      activestorage (= 8.0.2.1)
-      activesupport (= 8.0.2)
+      activesupport (= 8.0.2.1)
       bundler (>= 1.15.0)
-      railties (= 8.0.2)
+      railties (= 8.0.2.1)
     rails-dom-testing (2.3.0)
       activesupport (>= 5.0.0)
       minitest
@@ -277,9 +285,9 @@ GEM
     rails-html-sanitizer (1.6.2)
       loofah (~> 2.21)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
-    railties (8.0.2)
+    railties (8.0.2.1)
-      actionpack (= 8.0.2)
+      actionpack (= 8.0.2.1)
-      activesupport (= 8.0.2)
+      activesupport (= 8.0.2.1)
       irb (~> 1.13)
       rackup (>= 1.0.0)
       rake (>= 12.2)
@@ -287,7 +295,7 @@ GEM
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
     rake (13.3.0)
-    rdoc (6.14.0)
+    rdoc (6.14.2)
       erb
       psych (>= 4.0.0)
     react-rails (3.2.1)
@@ -296,18 +304,22 @@ GEM
       execjs
       railties (>= 3.2)
       tilt
-    redis (5.4.0)
+    redis (5.4.1)
       redis-client (>= 0.22.0)
     redis-client (0.23.2)
       connection_pool
-    regexp_parser (2.10.0)
+    regexp_parser (2.11.3)
-    reline (0.6.1)
+    reline (0.6.2)
       io-console (~> 0.5)
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
     rexml (3.3.9)
-    rspec-core (3.13.4)
+    rqrcode (3.1.0)
+      chunky_png (~> 1.0)
+      rqrcode_core (~> 2.0)
+    rqrcode_core (2.0.0)
+    rspec-core (3.13.5)
       rspec-support (~> 3.13.0)
     rspec-expectations (3.13.5)
       diff-lcs (>= 1.2.0, < 2.0)
@@ -315,7 +327,7 @@ GEM
     rspec-mocks (3.13.5)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
-    rspec-rails (8.0.0)
+    rspec-rails (8.0.2)
       actionpack (>= 7.2)
       activesupport (>= 7.2)
       railties (>= 7.2)
@@ -323,7 +335,7 @@ GEM
       rspec-expectations (~> 3.13)
       rspec-mocks (~> 3.13)
       rspec-support (~> 3.13)
-    rspec-support (3.13.4)
+    rspec-support (3.13.5)
     rswag (2.16.0)
       rswag-api (= 2.16.0)
       rswag-specs (= 2.16.0)
@@ -339,7 +351,7 @@ GEM
     rswag-ui (2.16.0)
       actionpack (>= 5.2, < 8.1)
       railties (>= 5.2, < 8.1)
-    rubocop (1.76.1)
+    rubocop (1.80.2)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
@@ -347,16 +359,16 @@ GEM
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.45.0, < 2.0)
+      rubocop-ast (>= 1.46.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.45.1)
+    rubocop-ast (1.46.0)
       parser (>= 3.3.7.2)
       prism (~> 1.4)
     rubocop-factory_bot (2.27.1)
       lint_roller (~> 1.1)
       rubocop (~> 1.72, >= 1.72.1)
-    rubocop-rails (2.32.0)
+    rubocop-rails (2.33.3)
       activesupport (>= 4.2.0)
       lint_roller (~> 1.1)
       rack (>= 1.1)
@@ -376,13 +388,13 @@ GEM
     securerandom (0.4.1)
     shoulda-matchers (6.5.0)
       activesupport (>= 5.2.0)
-    solid_queue (1.1.5)
+    solid_queue (1.2.1)
       activejob (>= 7.1)
       activerecord (>= 7.1)
       concurrent-ruby (>= 1.3.1)
       fugit (~> 1.11.0)
       railties (>= 7.1)
-      thor (~> 1.3.1)
+      thor (>= 1.3.1)
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
@@ -393,7 +405,7 @@ GEM
     stimulus-rails (1.3.4)
       railties (>= 6.0.0)
     stringio (3.1.7)
-    thor (1.3.2)
+    thor (1.4.0)
     tilt (2.4.0)
     timeout (0.4.3)
     tomlrb (2.0.3)
@@ -416,6 +428,9 @@ GEM
       base64
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
+    wicked_pdf (2.8.2)
+      activesupport
+      ostruct
     with_env (1.1.0)
     xml-simple (1.1.9)
       rexml
@@ -454,6 +469,7 @@ DEPENDENCIES
   rails (~> 8.0.0, >= 8.0.0)
   react-rails
   redis (>= 4.0.1)
+  rqrcode (~> 3.1)
   rspec-rails (~> 8.0.0)
   rswag
   rubocop
@@ -469,60 +485,62 @@ DEPENDENCIES
   turbo-rails
   tzinfo-data
   web-console
+  wicked_pdf (~> 2.8)
 
 CHECKSUMS
-  actioncable (8.0.2) sha256=7bcce2df62e91a80143592600e16583c273e98aab50ae40a9f6a2604bb3289a0
+  actioncable (8.0.2.1) sha256=6f1cb20db39fba28a93569e8d5dab42b2749d7ddd4baebb5bbecd4217e49d6a2
-  actionmailbox (8.0.2) sha256=3d8fb3453913e6257da4d02004bbfa2b997dfd10672f8d990e95013983e2cedb
+  actionmailbox (8.0.2.1) sha256=8ea8c6e31e448961c06fc1d6282775b32aff1c009f232d4564e07e54850a6cad
-  actionmailer (8.0.2) sha256=b0c968b38576ec56a3dc2795931818e0aaae6a18cc9801f53f175c12d4b277d0
+  actionmailer (8.0.2.1) sha256=0de14d8d04541eab130858cb2f0697266be42de1afe1104bc43d7998137ddb9c
-  actionpack (8.0.2) sha256=93e703064f3815295ccf820f57acbca719aec836749597da9262781c9b2f4b78
+  actionpack (8.0.2.1) sha256=61e7e11a31dbe5152ca57221788bdca42ef302c4cc53b4c8993d68dce8982b0a
-  actiontext (8.0.2) sha256=a40db32032ee2fbb479d5d69318c4284344c1cda73836fd73ffcdb917d203abf
+  actiontext (8.0.2.1) sha256=0cc4b3b5cfb9d915c6697b05b013dad7f4eaf074d9989700b6a0a55cf620d6b8
-  actionview (8.0.2) sha256=e038e1405cdfc18f04f17243da4fb8eeda3a4992f63a6d70a7281d255cf7cebb
+  actionview (8.0.2.1) sha256=2ea6d20ccb0b7b84a221a940ac06853ce99235e4ecb4947815839c7c5ecbf347
-  activejob (8.0.2) sha256=b0228b45e36b1ef3a081c684e81494147e094a6baf729018756ccf125b1853ca
+  activejob (8.0.2.1) sha256=d6e5f2da07ec8efac13a38af1752416770dc74e95783f7b252506d707aa32b89
-  activemodel (8.0.2) sha256=0ae1fb7fa1fae0699ba041a9e97702df42ea3b13f2d39f2d0fde51fca5f0656c
+  activemodel (8.0.2.1) sha256=17bab6cdb86531844113df22f864480a89a276bf0318246e628f99e0ac077ec4
-  activerecord (8.0.2) sha256=793470b92c44e4198d0262ac60086b7822f0ea585079ad67e32a6e4c86f2d90a
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-  activestorage (8.0.2) sha256=f83d221e0f06ae38f2200e55490bd155c76d0add330f6e300e8646048d672977
+  activestorage (8.0.2.1) sha256=43bb3d9e115471e201e6a66813810c1d15b607a321f29d62efdf9d90ffaf76f8
-  activesupport (8.0.2) sha256=8565cddba31b900cdc17682fd66ecd020441e3eef320a9930285394e8c07a45e
+  activesupport (8.0.2.1) sha256=0405a76fd1ca989975d9ae00d46a4d3979bdf3817482d846b63affa84bd561c6
   acts_as_tenant (1.0.1) sha256=6944e4d64533337938a8817a6b4ff9b11189c9dcc0b1333bb89f3821a4c14c53
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-  annotaterb (4.15.0) sha256=fb871b5a3f96d1a3195ab0f0f51adb9105ab00492f10e97dd6f35d321e3410b0
+  annotaterb (4.19.0) sha256=c951df62059b3ac1ae383f4140bf935a140a15b6461f8d9a97d34b38ce2c7208
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-  bigdecimal (3.2.1) sha256=1f68631e876c6aba8fe9b84b36983c55ad3293ff2d1ad4c6f115bde1e9d802e3
+  bigdecimal (3.2.3) sha256=ffd11d1ac67a0d3b2f44aec0a6487210b3f813f363dd11f1fcccf5ba00da4e1b
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   chroma (0.2.0) sha256=64bdcd36a4765fbcd45adc64960cc153101300b4918f90ffdd89f4e2eb954b54
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   coderay (1.1.3) sha256=dc530018a4684512f8f38143cd2a096c9f02a1fc2459edcfe534787a7fc77d4b
   concurrent-ruby (1.3.5) sha256=813b3e37aca6df2a21a3b9f1d497f8cbab24a2b94cab325bffe65ee0f6cbebc6
-  connection_pool (2.5.3) sha256=cfd74a82b9b094d1ce30c4f1a346da23ee19dc8a062a16a85f58eab1ced4305b
+  connection_pool (2.5.4) sha256=e9e1922327416091f3f6542f5f4446c2a20745276b9aa796dd0bb2fd0ea1e70a
   crass (1.0.6) sha256=dc516022a56e7b3b156099abc81b6d2b08ea1ed12676ac7a5657617f012bd45d
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-  debug (1.10.0) sha256=11e28ca74875979e612444104f3972bd5ffb9e79179907d7ad46dba44bd2e7a4
+  debug (1.11.0) sha256=1425db64cfa0130c952684e3dc974985be201dd62899bf4bbe3f8b5d6cf1aef2
   devise (4.9.4) sha256=920042fe5e704c548aa4eb65ebdd65980b83ffae67feb32c697206bfd975a7f8
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   drb (2.2.3) sha256=0b00d6fdb50995fe4a45dea13663493c841112e4068656854646f418fda13373
-  erb (5.0.1) sha256=760439803b36cc93eca8a266aab614614e588024a89bc30a62e78d98ff452c23
+  erb (5.0.2) sha256=d30f258143d4300fb4ecf430042ac12970c9bb4b33c974a545b8f58c1ec26c0f
   erubi (1.13.1) sha256=a082103b0885dbc5ecf1172fede897f9ebdb745a4b97a5e8dc63953db1ee4ad9
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-  factory_bot (6.4.6) sha256=1a9486ce98d318d740d8f5804b885a8265a28f326ecf2bcd4ce9fb27a71a6e04
+  factory_bot (6.5.5) sha256=ce59295daee1b4704dab8a2fee6816f513d467c6aa3bc587860767d74a66efbe
-  factory_bot_rails (6.4.3) sha256=ea73ceac1c0ff3dc11fff390bf2ea8a2604066525ed8ecd3b3bc2c267226dcc8
+  factory_bot_rails (6.5.1) sha256=d3cc4851eae4dea8a665ec4a4516895045e710554d2b5ac9e68b94d351bc6d68
-  faker (3.5.1) sha256=1ad1fbea279d882f486059c23fe3ddb816ccd1d7052c05a45014b4450d859bfc
+  faker (3.5.2) sha256=f9a80291b2e3f259801d1dd552f0732fe04dce5d1f74e798365bc0413789c473
   fugit (1.11.1) sha256=e89485e7be22226d8e9c6da411664d0660284b4b1c08cacb540f505907869868
   globalid (1.2.1) sha256=70bf76711871f843dbba72beb8613229a49429d1866828476f9c9d6ccc327ce9
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   i18n (1.14.7) sha256=ceba573f8138ff2c0915427f1fc5bdf4aa3ab8ae88c8ce255eb3ecf0a11a5d0f
-  importmap-rails (2.1.0) sha256=9f10c67d60651a547579f448100d033df311c5d5db578301374aeb774faae741
+  importmap-rails (2.2.2) sha256=729f5b1092f832780829ade1d0b46c7e53d91c556f06da7254da2977e93fe614
-  io-console (0.8.0) sha256=cd6a9facbc69871d69b2cb8b926fc6ea7ef06f06e505e81a64f14a470fddefa2
+  io-console (0.8.1) sha256=1e15440a6b2f67b6ea496df7c474ed62c860ad11237f29b3bd187f054b925fcb
   irb (1.15.2) sha256=222f32952e278da34b58ffe45e8634bf4afc2dc7aa9da23fed67e581aa50fdba
   jbuilder (2.13.0) sha256=7200a38a1c0081aa81b7a9757e7a299db75bc58cf1fd45ca7919a91627d227d6
-  json (2.12.2) sha256=ba94a48ad265605c8fa9a50a5892f3ba6a02661aa010f638211f3cb36f44abf4
+  json (2.13.2) sha256=02e1f118d434c6b230a64ffa5c8dee07e3ec96244335c392eaed39e1199dbb68
   json-schema (5.0.1) sha256=bef71a82c600a42594911553522e143f7634affc198ed507ef3ded2f920a74a9
   jsonapi-deserializable (0.2.0) sha256=5f0ca2d3f8404cce1584a314e8a3753be32a56054c942adfe997b87e92bce147
   jsonapi-parser (0.1.1) sha256=9ee0dc031e88fc7548d56fab66f9716d1e1c06f972b529b8c4617bc42a097020
@@ -547,63 +565,70 @@ CHECKSUMS
   money (6.19.0) sha256=ec936fa1e42f2783719241ed9fd52725d0efa628f928feea1eb5c37d5de7daf3
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-  net-imap (0.5.6) sha256=1ede8048ee688a14206060bf37a716d18cb6ea00855f6c9b15daee97ee51fbe5
+  net-imap (0.5.10) sha256=f84d206a296bff48a3a10507567fc38b050d2a40c92ea0d448164f64e60d6205
   net-pop (0.1.2) sha256=848b4e982013c15b2f0382792268763b748cce91c9e91e36b0f27ed26420dff3
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-  nokogiri (1.18.8) sha256=8c7464875d9ca7f71080c24c0db7bcaa3940e8be3c6fc4bcebccf8b9a0016365
+  nokogiri (1.18.10) sha256=d5cc0731008aa3b3a87b361203ea3d19b2069628cb55e46ac7d84a0445e69cc1
-  nokogiri (1.18.8-aarch64-linux-gnu) sha256=36badd2eb281fca6214a5188e24a34399b15d89730639a068d12931e2adc210e
+  nokogiri (1.18.10-aarch64-linux-gnu) sha256=7fb87235d729c74a2be635376d82b1d459230cc17c50300f8e4fcaabc6195344
-  nokogiri (1.18.8-arm-linux-gnu) sha256=17de01ca3adf9f8e187883ed73c672344d3dbb3c260f88ffa1008e8dc255a28e
+  nokogiri (1.18.10-arm-linux-gnu) sha256=51f4f25ab5d5ba1012d6b16aad96b840a10b067b93f35af6a55a2c104a7ee322
-  nokogiri (1.18.8-arm64-darwin) sha256=483b5b9fb33653f6f05cbe00d09ea315f268f0e707cfc809aa39b62993008212
+  nokogiri (1.18.10-arm64-darwin) sha256=c2b0de30770f50b92c9323fa34a4e1cf5a0af322afcacd239cd66ee1c1b22c85
-  nokogiri (1.18.8-x86_64-darwin) sha256=024cdfe7d9ae3466bba6c06f348fb2a8395d9426b66a3c82f1961b907945cc0c
+  nokogiri (1.18.10-x86_64-darwin) sha256=536e74bed6db2b5076769cab5e5f5af0cd1dccbbd75f1b3e1fa69d1f5c2d79e2
-  nokogiri (1.18.8-x86_64-linux-gnu) sha256=4a747875db873d18a2985ee2c320a6070c4a414ad629da625fbc58d1a20e5ecc
+  nokogiri (1.18.10-x86_64-linux-gnu) sha256=ff5ba26ba2dbce5c04b9ea200777fd225061d7a3930548806f31db907e500f72
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-  parser (3.3.8.0) sha256=2476364142b307fa5a1b1ece44f260728be23858a9c71078e956131a75453c45
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+  pg (1.6.2-aarch64-linux) sha256=0503c6be5b0ca5ca3aaf91f2ed638f90843313cb81e8e7d7b60ad4bb62c3d131
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-  railties (8.0.2) sha256=0d7c3f40c49ba74980f1bac1d4bb153a9331c5ee8a9631d89c7bf79db82e5cf9
+  railties (8.0.2.1) sha256=54e40e1771fc2878f572d5a4e076cddb057ba8d4d471f8b7d9bfc61bc1301d4c
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+  rqrcode_core (2.0.0) sha256=1e40b823ab57a96482a417fff5dd5c33645a00cea6ef5d9e342fecc5ef91d9ab
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-  rspec-rails (8.0.0) sha256=977a508cd94d152db2068c6585470db5d0cd47eef56d5410b9531034fb9d97bf
+  rspec-rails (8.0.2) sha256=113139a53f5d068d4f48d1c29ad5f982013ed9b0daa69d7f7b266eda5d433ace
-  rspec-support (3.13.4) sha256=184b1814f6a968102b57df631892c7f1990a91c9a3b9e80ef892a0fc2a71a3f7
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   rswag-api (2.16.0) sha256=b653f7bd92e98be18b01ab4525d88950d7b0960e293a99f856b9efcee3ae6074
   rswag-specs (2.16.0) sha256=8ba26085c408b0bd2ed21dc8015c80f417c7d34c63720ab7133c2549b5bd2a91
   rswag-ui (2.16.0) sha256=a1f49e927dceda92e6e6e7c1000f1e217ee66c565f69e28131dc98b33cd3a04f
-  rubocop (1.76.1) sha256=e15a2d750794cf2157d2de8b1b403dfa71b8dc3957a22ae6043b1bdf21e7e0e7
+  rubocop (1.80.2) sha256=6485f30fefcf5c199db3b91e5e253b1ef43f7e564784e2315255809a3dd9abf4
-  rubocop-ast (1.45.1) sha256=94042e49adc17f187ba037b33f941ba7398fede77cdf4bffafba95190a473a3e
+  rubocop-ast (1.46.0) sha256=0da7f6ad5b98614f89b74f11873c191059c823eae07d6ffd40a42a3338f2232b
   rubocop-factory_bot (2.27.1) sha256=9d744b5916778c1848e5fe6777cc69855bd96548853554ec239ba9961b8573fe
-  rubocop-rails (2.32.0) sha256=9fcc623c8722fe71e835e99c4a18b740b5b0d3fb69915d7f0777f00794b30490
+  rubocop-rails (2.33.3) sha256=848c011b58c1292f3066246c9eb18abf6ffcfbce28bc57c4ab888bbec79af74b
   rubocop-rspec (3.6.0) sha256=c0e4205871776727e54dee9cc91af5fd74578001551ba40e1fe1a1ab4b404479
   rubocop-rspec_rails (2.31.0) sha256=775375e18a26a1184a812ef3054b79d218e85601b9ae897f38f8be24dddf1f45
   ruby-progressbar (1.13.0) sha256=80fc9c47a9b640d6834e0dc7b3c94c9df37f08cb072b7761e4a71e22cff29b33
@@ -611,12 +636,12 @@ CHECKSUMS
   rubyzip (2.3.2) sha256=3f57e3935dc2255c414484fbf8d673b4909d8a6a57007ed754dde39342d2373f
   securerandom (0.4.1) sha256=cc5193d414a4341b6e225f0cb4446aceca8e50d5e1888743fac16987638ea0b1
   shoulda-matchers (6.5.0) sha256=ef6b572b2bed1ac4aba6ab2c5ff345a24b6d055a93a3d1c3bfc86d9d499e3f44
-  solid_queue (1.1.5) sha256=bae0c9d76310f4953ebc57466f2e8c78703a0fbf4b89d25756c23c88f9b6df9b
+  solid_queue (1.2.1) sha256=7976b3690a08080ef63d1b11281f0b77398f7697dbeda0e2c5532682639d4b15
   sprockets (4.2.1) sha256=951b13dd2f2fcae840a7184722689a803e0ff9d2702d902bd844b196da773f97
   sprockets-rails (3.5.2) sha256=a9e88e6ce9f8c912d349aa5401509165ec42326baf9e942a85de4b76dbc4119e
   stimulus-rails (1.3.4) sha256=765676ffa1f33af64ce026d26b48e8ffb2e0b94e0f50e9119e11d6107d67cb06
   stringio (3.1.7) sha256=5b78b7cb242a315fb4fca61a8255d62ec438f58da2b90be66048546ade4507fa
-  thor (1.3.2) sha256=eef0293b9e24158ccad7ab383ae83534b7ad4ed99c09f96f1a6b036550abbeda
+  thor (1.4.0) sha256=8763e822ccb0f1d7bee88cde131b19a65606657b847cc7b7b4b82e772bcd8a3d
   tilt (2.4.0) sha256=df74f29a451daed26591a85e8e0cebb198892cb75b6573394303acda273fba4d
   timeout (0.4.3) sha256=9509f079b2b55fe4236d79633bd75e34c1c1e7e3fb4b56cb5fda61f80a0fe30e
   tomlrb (2.0.3) sha256=c2736acf24919f793334023a4ff396c0647d93fce702a73c9d348deaa815d4f7
@@ -629,12 +654,13 @@ CHECKSUMS
   web-console (4.2.1) sha256=e7bcf37a10ea2b4ec4281649d1cee461b32232d0a447e82c786e6841fd22fe20
   websocket-driver (0.7.7) sha256=056d99f2cd545712cfb1291650fde7478e4f2661dc1db6a0fa3b966231a146b4
   websocket-extensions (0.1.5) sha256=1c6ba63092cda343eb53fc657110c71c754c56484aad42578495227d717a8241
+  wicked_pdf (2.8.2) sha256=648d9b0cec5a34adbc9bbf809731052a78119e2d6d323b9e4aa1383e1d683824
   with_env (1.1.0) sha256=50b3e4f0a6cda8f90d8a6bd87a6261f6c381429abafb161c4c69ad4a0cd0b6e4
   xml-simple (1.1.9) sha256=d21131e519c86f1a5bc2b6d2d57d46e6998e47f18ed249b25cad86433dbd695d
   zeitwerk (2.7.3) sha256=b2e86b4a9b57d26ba68a15230dcc7fe6f040f06831ce64417b0621ad96ba3e85
 
 RUBY VERSION
-   ruby 3.4.2p28
+   ruby 3.4.3p32
 
 BUNDLED WITH
    2.6.1

app/controllers/guests_controller.rb

@@ -6,10 +6,13 @@ require 'csv'
 
 class GuestsController < ApplicationController
   GUEST_PARAMS = { only: %i[id name status], include: { group: { only: %i[id name] } } }.freeze
+
+  skip_before_action :authenticate_user!, only: :update
+
   def index
     render json: Guest.includes(:group)
                       .left_joins(:group)
-                      .order('groups.name' => :asc, name: :asc)
+                      .order('groups.name' => :asc, invitation_id: :asc, name: :asc)
                       .as_json(GUEST_PARAMS)
   end
 
@@ -19,7 +22,13 @@ class GuestsController < ApplicationController
   end
 
   def update
-    guest = Guest.find(params[:id]).update!(guest_params)
+    guest = Guest.find(params[:id])
+    guest.update!(guest_params)
+
+    if !user_signed_in? && guest.saved_change_to_status?
+      AdminMailer.with(guest_id: guest.id).attendance_change_email.deliver_later
+    end
+
     render json: guest.as_json(GUEST_PARAMS), status: :ok
   end
 
@@ -31,6 +40,6 @@ class GuestsController < ApplicationController
   private
 
   def guest_params
-    params.expect(guest: %i[name group_id status])
+    user_signed_in? ? params.expect(guest: %i[name group_id status]) : params.expect(guest: %i[status])
   end
 end

app/controllers/invitations_controller.rb

@@ -2,19 +2,47 @@
 
 # frozen_string_literal: true
 
-# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
-
 class InvitationsController < ApplicationController
+  skip_before_action :authenticate_user!, only: :show
+
   def index
-    render json: Invitation.includes(:guests).as_json(
+    @invitations = Invitation.includes(:guests).all
+    respond_to do |format|
+      format.json do
+        render json: @invitations.as_json(
           only: :id,
-      include: {
+          include: { guests: { only: %i[id name] } }
-        guests: {
-          only: %i[id name]
-        }
-      }
         )
       end
+      format.pdf do
+        pdf_html = ActionController::Base.new.render_to_string(
+          template: 'invitations/sheet',
+          layout: 'pdf',
+          locals: { invitations: @invitations }
+        )
+        pdf = WickedPdf.new.pdf_from_string(pdf_html)
+        send_data pdf, filename: "invitations_#{Time.current.strftime('%Y%m%d_%H%M%S')}.pdf"
+      end
+    end
+  end
+
+  def email
+    AdminMailer.with(wedding_id: ActsAsTenant.current_tenant.id).invitations_pdf_email.deliver_later
+
+    head :ok
+  end
+
+  def sheet; end
+
+  def show
+    invitation = Invitation.includes(:guests).find(params[:id])
+
+    if invitation
+      render json: invitation, only: :id, include: { guests: { only: %i[id name status] } }, status: :ok
+    else
+      render json: { error: 'Invitation not found' }, status: :not_found
+    end
+  end
 
   def create
     invitation = Invitation.create

app/controllers/tables_arrangements_controller.rb

@@ -9,10 +9,10 @@ class TablesArrangementsController < ApplicationController
     render json: TablesArrangement
       .order(valid: :desc)
       .order(discomfort: :asc)
-      .select(:id, :name, :discomfort)
+      .select(:id, :name, :discomfort, :status, :progress)
-      .select("digest = '#{current_digest}'::uuid as valid")
+      .select("digest = '#{current_digest}'::uuid OR discomfort IS NULL as valid")
       .limit(20)
-      .as_json(only: %i[id name discomfort valid])
+      .as_json(only: %i[id name discomfort valid status progress])
   end
 
   def show
@@ -25,7 +25,10 @@ class TablesArrangementsController < ApplicationController
   end
 
   def create
-    TableSimulatorJob.perform_later(current_tenant.id)
+    ActiveRecord::Base.transaction do
+      tables_arrangement = TablesArrangement.create!(status: :not_started)
+      TableSimulatorJob.perform_later(current_tenant.id, tables_arrangement.id)
+    end
 
     render json: {}, status: :created
   end

app/jobs/table_simulator_job.rb

@@ -8,16 +8,35 @@ class TableSimulatorJob < ApplicationJob
   MIN_PER_TABLE = 8
   MAX_PER_TABLE = 10
 
-  def perform(wedding_id)
+  def perform(wedding_id, tables_arrangement_id) # rubocop:disable Metrics/MethodLength
+    Rails.logger.info "Starting table simulation #{tables_arrangement_id} for wedding #{wedding_id}"
     ActsAsTenant.with_tenant(Wedding.find(wedding_id)) do
       engine = VNS::Engine.new
 
-      engine.add_perturbation(Tables::Swap)
+      engine.add_optimization(Tables::Swap)
-      engine.add_perturbation(Tables::Shift)
+      engine.add_optimization(Tables::Shift)
+
+      tables_arrangement = TablesArrangement.find(tables_arrangement_id)
+
+      initial_solution = Tables::Distribution.new(
+        min_per_table: MIN_PER_TABLE,
+        max_per_table: MAX_PER_TABLE,
+        tables_arrangement_id:
+      )
 
-      initial_solution = Tables::Distribution.new(min_per_table: MIN_PER_TABLE, max_per_table: MAX_PER_TABLE)
       initial_solution.random_distribution(Guest.potential.shuffle)
 
+      initial_solution.save!
+
+      engine.notify_progress do |current_progress|
+        tables_arrangement.update_columns(status: :in_progress, progress: current_progress)
+      end
+
+      engine.on_better_solution do |better_solution|
+        better_solution.save!
+        tables_arrangement.update_columns(discomfort: better_solution.discomfort) # TODO: remove?
+      end
+
       engine.initial_solution = initial_solution
 
       engine.target_function(&:discomfort)
@@ -25,6 +44,8 @@ class TableSimulatorJob < ApplicationJob
       best_solution = engine.run
 
       best_solution.save!
+
+      tables_arrangement.update_columns(status: :completed)
     end
   end
 end

app/mailers/admin_mailer.rb

@@ -0,0 +1,45 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+class AdminMailer < ApplicationMailer
+  def attendance_change_email
+    @guest = Guest.find(params[:guest_id])
+    ActsAsTenant.with_tenant(@guest.wedding) do
+      mail(
+        to: recipients,
+        subject: I18n.t(
+          'admin_mailer.attendance_change_email.subject',
+          name: @guest.name,
+          status: I18n.t("active_record.attributes.guest/status.#{@guest.status}")
+        )
+      )
+    end
+  end
+
+  def invitations_pdf_email
+    ActsAsTenant.with_tenant(Wedding.find(params[:wedding_id])) do
+      invitations = Invitation.includes(:guests).all
+
+      pdf_html = ActionController::Base.new.render_to_string(
+        template: 'invitations/sheet',
+        layout: 'pdf',
+        locals: { invitations: }
+      )
+      pdf = WickedPdf.new.pdf_from_string(pdf_html)
+
+      attachments["invitations_#{Time.current.strftime('%Y%m%d_%H%M%S')}.pdf"] = pdf
+
+      mail(
+        to: recipients,
+        subject: I18n.t('admin_mailer.invitations_pdf_email.subject')
+      )
+    end
+  end
+
+  private
+
+  def recipients
+    ActsAsTenant.current_tenant.users.pluck(:email)
+  end
+end

app/mailers/application_mailer.rb

@@ -3,6 +3,16 @@
 # frozen_string_literal: true
 
 class ApplicationMailer < ActionMailer::Base
-  default from: 'from@example.com'
+  class << self
+    private
+
+    def default_from
+      File.read('/run/secrets/smtp_user_name').strip
+    rescue Errno::ENOENT
+      'development@example.com'
+    end
+  end
+
+  default from: default_from
   layout 'mailer'
 end

app/models/invitation.rb

@@ -22,4 +22,8 @@
 class Invitation < ApplicationRecord
   acts_as_tenant :wedding
   has_many :guests, dependent: :nullify
+
+  def url
+    "#{Rails.application.routes.url_helpers.root_url(slug: ActsAsTenant.current_tenant.slug)}/site/invitation/#{id}"
+  end
 end

app/models/seat.rb

@@ -29,5 +29,5 @@
 class Seat < ApplicationRecord
   acts_as_tenant :wedding
   belongs_to :guest
-  belongs_to :table_arrangement
+  belongs_to :tables_arrangement
 end

app/models/tables_arrangement.rb

@@ -10,6 +10,8 @@
 #  digest     :uuid             not null
 #  discomfort :integer
 #  name       :string           not null
+#  progress   :float            default(0.0), not null
+#  status     :string           default("complete"), not null
 #  created_at :datetime         not null
 #  updated_at :datetime         not null
 #  wedding_id :uuid             not null

app/models/wedding.rb

@@ -23,5 +23,6 @@ class Wedding < ApplicationRecord
   has_many :guests, dependent: :delete_all
   has_many :groups, dependent: :delete_all
   has_many :invitations, dependent: :delete_all
+  has_many :users, dependent: :delete_all
   has_one :website, dependent: :destroy
 end

app/services/affinity_groups_hierarchy.rb

@@ -16,6 +16,7 @@ class AffinityGroupsHierarchy < Array
     end
 
     discomforts
+    invitation_counts
     freeze
   end
 
@@ -54,8 +55,16 @@ class AffinityGroupsHierarchy < Array
     Rational(dist, dist + 1)
   end
 
+  def guest_count(invitation_id)
+    @invitation_counts[invitation_id] || 0
+  end
+
   private
 
+  def invitation_counts
+    @invitation_counts = Guest.where.not(invitation_id: nil).group(:invitation_id).count
+  end
+
   def discomforts
     @discomforts ||= GroupAffinity.pluck(:group_a_id, :group_b_id,
                                          :discomfort).each_with_object({}) do |(id_a, id_b, discomfort), acc|

app/services/tables/discomfort_calculator.rb

@@ -15,7 +15,7 @@ module Tables
     end
 
     def breakdown
-      @breakdown ||= { table_size_penalty:, cohesion_penalty: }
+      @breakdown ||= { table_size_penalty:, cohesion_penalty:, invitations_penalty: }
     end
 
     private
@@ -39,6 +39,12 @@ module Tables
       10 * (cohesion_discomfort * 1.0 / table.size)
     end
 
+    def invitations_penalty
+      2 * table.map(&:invitation_id)
+               .tally
+               .sum { |invitation_id, guests_in_table| hierarchy.guest_count(invitation_id) - guests_in_table }
+    end
+
     #
     # Calculates the discomfort of the table based on the cohesion of the guests. The total discomfort
     # is calculated as the sum of the discomfort of each pair of guests. The discomfort of a pair of

app/services/tables/distribution.rb

@@ -12,19 +12,21 @@ module Tables
       end
     end
 
-    attr_accessor :tables, :min_per_table, :max_per_table, :hierarchy
+    attr_accessor :tables, :min_per_table, :max_per_table, :hierarchy, :tables_arrangement_id
 
-    def initialize(min_per_table:, max_per_table:)
+    def initialize(min_per_table:, max_per_table:, tables_arrangement_id:, hierarchy: AffinityGroupsHierarchy.new)
       @min_per_table = min_per_table
       @max_per_table = max_per_table
-      @hierarchy = AffinityGroupsHierarchy.new
+      @hierarchy = hierarchy
       @tables = []
+      @tables_arrangement_id = tables_arrangement_id
     end
 
-    def random_distribution(people)
+    def random_distribution(people, random: Random.new)
       min_tables = (people.count * 1.0 / @max_per_table).ceil
       max_tables = (people.count * 1.0 / @min_per_table).ceil
-      @tables = people.in_groups(rand(min_tables..max_tables), false)
+      table_size = random.rand(min_tables..max_tables)
+      @tables = people.in_groups(table_size, false)
                       .map { |group| Table.new(group) }
                       .each { |table| table.min_per_table = @min_per_table }
                       .each { |table| table.max_per_table = @max_per_table }
@@ -41,14 +43,23 @@ module Tables
     end
 
     def deep_dup
-      self.class.new(min_per_table: @min_per_table, max_per_table: @max_per_table).tap do |new_distribution|
+      self.class.new(
+        min_per_table: @min_per_table,
+        max_per_table: @max_per_table,
+        hierarchy: @hierarchy,
+        tables_arrangement_id: @tables_arrangement_id
+      ).tap do |new_distribution|
         new_distribution.tables = @tables.map(&:dup)
       end
     end
 
     def save!
       ActiveRecord::Base.transaction do
-        arrangement = TablesArrangement.create!
+        arrangement = TablesArrangement.find(tables_arrangement_id)
+
+        self.tables_arrangement_id = arrangement.id
+
+        arrangement.seats.delete_all
 
         records_to_store = []
 

app/services/tables/wheel_swap.rb

@@ -0,0 +1,33 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+module Tables
+  class WheelSwap
+    private attr_reader :initial_solution
+    def initialize(initial_solution)
+      @initial_solution = initial_solution
+    end
+
+    def call(size = 1)
+      Rails.logger.debug { "WheelSwap with size: #{size}" }
+      new_solution = @initial_solution.deep_dup
+
+      selected_guests = []
+
+      size.times do
+        selected_guests += new_solution.tables.map(&:pop)
+      end
+
+      selected_guests.shuffle!
+
+      tables = new_solution.tables.cycle
+
+      tables.next << selected_guests.pop while selected_guests.any?
+
+      new_solution.tables.each(&:reset)
+
+      new_solution
+    end
+  end
+end

app/services/vns/engine.rb

@@ -4,6 +4,8 @@
 
 module VNS
   class Engine
+    PERTURBATION_SIZES = [1, 1, 1, 2, 2, 3].freeze
+    ITERATIONS = 50
     class << self
       def sequence(elements)
         elements = elements.to_a
@@ -11,45 +13,95 @@ module VNS
       end
     end
 
+    def initialize
+      @perturbations = Set.new
+    end
+
     def target_function(&function)
       @target_function = function
     end
 
+    def add_optimization(klass)
+      @optimizations ||= Set.new
+      @optimizations << klass
+    end
+
     def add_perturbation(klass)
-      @perturbations ||= Set.new
       @perturbations << klass
     end
 
+    def notify_progress(&block)
+      @progress_notifier = block
+    end
+
+    def on_better_solution(&block)
+      @better_solution_notifier = block
+    end
+
     attr_writer :initial_solution
 
     def run
-      raise 'No target function defined' unless @target_function
+      check_preconditions!
-      raise 'No perturbations defined' unless @perturbations
-      raise 'No initial solution defined' unless @initial_solution
 
-      @best_solution = @initial_solution
+      @current_solution = @initial_solution
-      @best_score = @target_function.call(@best_solution)
+      @best_score = @target_function.call(@current_solution)
 
-      self.class.sequence(@perturbations).each do |perturbation|
+      run_all_optimizations
-        optimize(perturbation)
+
+      @progress_notifier&.call(Rational(1, ITERATIONS + 1))
+
+      best_solution = @current_solution
+
+      (1..ITERATIONS).each do |iteration|
+        @current_solution = Tables::WheelSwap.new(best_solution).call(PERTURBATION_SIZES.sample)
+        @best_score = @target_function.call(@current_solution)
+        Rails.logger.debug { "After perturbation: #{@best_score}" }
+
+        run_all_optimizations
+
+        @progress_notifier&.call(Rational(iteration + 1, ITERATIONS + 1))
+
+        next unless best_solution.discomfort > @current_solution.discomfort
+
+        best_solution = @current_solution
+        @better_solution_notifier&.call(best_solution)
+
+        Rails.logger.debug do
+          "Found better solution after perturbation optimization: #{@current_solution.discomfort}"
+        end
       end
 
-      @best_solution
+      best_solution
     end
 
     private
 
-    def optimize(perturbation_klass)
+    def check_preconditions!
+      raise 'No target function defined' unless @target_function
+      raise 'No optimizations defined' unless @optimizations
+      raise 'No initial solution defined' unless @initial_solution
+    end
+
+    def run_all_optimizations
+      self.class.sequence(@optimizations).each do |optimization|
+        optimize(optimization)
+        Rails.logger.debug { "Finished optimization phase: #{optimization}" }
+      end
+      Rails.logger.debug { 'Finished all optimization phases' }
+    end
+
+    def optimize(optimization_klass)
       loop do
         optimized = false
 
-        perturbation_klass.new(@best_solution).each do |alternative_solution|
+        optimization_klass.new(@current_solution).each do |alternative_solution|
           score = @target_function.call(alternative_solution)
           next if score >= @best_score
 
-          @best_solution = alternative_solution.deep_dup
+          @current_solution = alternative_solution.deep_dup
           @best_score = score
           optimized = true
+          Rails.logger.debug { "[#{optimization_klass}] Found better solution with score: #{score}" }
 
           break
         end

app/views/admin_mailer/attendance_change_email.html.erb

@@ -0,0 +1,17 @@
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
+<p><%= I18n.t('admin_mailer.greeting') %>,</p>
+
+<p>
+  <%= I18n.t('admin_mailer.attendance_change_email.paragraph_1', name: @guest.name) %>
+</p>
+
+<ul>
+  <li>
+    <strong><%= I18n.t("active_record.attributes.guest.status") %>:</strong> <%= I18n.t("active_record.attributes.guest/status.#{@guest.status}") %>
+  </li>
+</ul>
+
+<p>
+  <%= I18n.t("admin_mailer.attendance_change_email.notify_on_updates") %>
+</p>

app/views/admin_mailer/attendance_change_email.text.erb

@@ -0,0 +1,9 @@
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
+<%= I18n.t('admin_mailer.greeting') %>,
+
+<%= I18n.t('admin_mailer.attendance_change_email.paragraph_1', name: @guest.name) %>
+
+- <%= I18n.t("active_record.attributes.guest.status") %>: <%= I18n.t("active_record.attributes.guest/status.#{@guest.status}") %>
+
+<%= I18n.t("admin_mailer.attendance_change_email.notify_on_updates") %>

app/views/admin_mailer/invitations_pdf_email.html.erb

@@ -0,0 +1,7 @@
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
+<p><%= I18n.t('admin_mailer.greeting') %>,</p>
+
+<p>
+  <%= I18n.t('admin_mailer.invitations_pdf_email.paragraph_1') %>
+</p>

app/views/admin_mailer/invitations_pdf_email.txt.erb

@@ -0,0 +1,5 @@
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
+<%= I18n.t('admin_mailer.greeting') %>,
+
+<%= I18n.t('admin_mailer.invitations_pdf_email.paragraph_1') %>

app/views/invitations/sheet.html.erb

@@ -0,0 +1,33 @@
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
+<% invitations.each_slice(4) do |invitation_group| %>
+  <table style="width: 100%; border-collapse: separate; border-spacing: 0 20px; margin-bottom: 40px;">
+    <% invitation_group.each do |invitation| %>
+      <tr>
+        <td style="width: 270px; height: 270px; text-align: center; vertical-align: middle; padding: 10px;">
+          <%= image_tag(RQRCode::QRCode.new(invitation.url).as_png(
+                bit_depth: 1,
+                border_modules: 4,
+                color_mode: ChunkyPNG::COLOR_GRAYSCALE,
+                color: "black",
+                file: nil,
+                fill: "white",
+                module_px_size: 6,
+                resize_exactly_to: false,
+                resize_gte_to: false,
+                size: 250
+              ).to_data_url)
+          %>
+        </td>
+        <td style="vertical-align: middle; padding: 10px;">
+          <ul style="margin: 0; padding-left: 20px;">
+            <% invitation.guests.each do |guest| %>
+              <%= content_tag(:li, guest.name) %>
+            <% end %>
+          </ul>
+        </td>
+      </tr>
+    <% end %>
+  </table>
+  <div style="page-break-after: always;"></div>
+<% end %>

app/views/layouts/pdf.html.erb

@@ -0,0 +1,12 @@
+<%# Copyright (C) 2024-2025 LibreWeddingPlanner contributors %>
+
+<!doctype html>
+<html>
+  <head>
+    <meta charset='utf-8' />
+  </head>
+    <div id="content">
+      <%= yield %>
+    </div>
+  </body>
+</html>

bin/jobs

@@ -3,4 +3,5 @@
 require_relative "../config/environment"
 require "solid_queue/cli"
 
+SolidQueue.logger = ActiveSupport::Logger.new($stdout)
 SolidQueue::Cli.start(ARGV)

config/environments/development.rb

@@ -79,4 +79,5 @@ Rails.application.configure do
   config.action_controller.raise_on_missing_callback_actions = true
 
   config.hosts << "libre-wedding-planner.app.localhost"
+  Rails.application.routes.default_url_options[:host] = "libre-wedding-planner.app.localhost"
 end

config/environments/production.rb

@@ -72,6 +72,20 @@ Rails.application.configure do
   # config.active_job.queue_name_prefix = "wedding_planner_production"
 
   config.action_mailer.perform_caching = false
+  config.action_mailer.delivery_method = :smtp
+  config.action_mailer.smtp_settings = begin
+    {
+      address: File.read("/run/secrets/smtp_address").strip,
+      port: File.read("/run/secrets/smtp_port").strip.to_i,
+      user_name: File.read("/run/secrets/smtp_user_name").strip,
+      password: File.read("/run/secrets/smtp_password").strip,
+      authentication: File.read("/run/secrets/smtp_authentication").strip.to_sym,
+      tls: true
+    }
+  rescue Errno::ENOENT
+    {}
+  end
+
 
   # Ignore bad email addresses and do not raise email delivery errors.
   # Set this to true and configure the email server for immediate delivery to raise delivery errors.
@@ -94,6 +108,7 @@ Rails.application.configure do
   # ]
 
   config.hosts << "app.libreweddingplanner.org"
+  Rails.application.routes.default_url_options[:host] = "app.libreweddingplanner.org"
 
   # Skip DNS rebinding protection for the default health check endpoint.
   config.host_authorization = { exclude: ->(request) { request.path == "/up" } }

config/initializers/rswag_ui.rb

@@ -10,7 +10,7 @@ Rswag::Ui.configure do |c|
   # (under openapi_root) as JSON or YAML endpoints, then the list below should
   # correspond to the relative paths for those endpoints.
 
-  c.swagger_endpoint '/api/api-docs/v1/swagger.yaml', 'API V1 Docs'
+  c.openapi_endpoint '/api/api-docs/v1/swagger.yaml', 'API V1 Docs'
 
   # Add Basic Auth in case your API is private
   # c.basic_auth_enabled = true

config/initializers/ruby_extensions.rb

@@ -10,4 +10,10 @@ class Set
   def to_table
     Tables::Table.new(self)
   end
+
+  def pop
+    element = self.to_a.sample
+    self.delete(element)
+    element
+  end
 end

config/initializers/wicked_pdf.rb

@@ -0,0 +1,32 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# WickedPDF Global Configuration
+#
+# Use this to set up shared configuration options for your entire application.
+# Any of the configuration options shown here can also be applied to single
+# models by passing arguments to the `render :pdf` call.
+#
+# To learn more, check out the README:
+#
+# https://github.com/mileszs/wicked_pdf/blob/master/README.md
+
+WickedPdf.configure do |config|
+  # Path to the wkhtmltopdf executable: This usually isn't needed if using
+  # one of the wkhtmltopdf-binary family of gems.
+  # config.exe_path = '/usr/local/bin/wkhtmltopdf'
+  #   or
+  # config.exe_path = Gem.bin_path('wkhtmltopdf-binary', 'wkhtmltopdf')
+
+  # Needed for wkhtmltopdf 0.12.6+ to use many wicked_pdf asset helpers
+  # config.enable_local_file_access = true
+
+  # Layout file to be used for all PDFs
+  # (but can be overridden in `render :pdf` calls)
+  # config.layout = 'pdf.html'
+
+  # Using wkhtmltopdf without an X server can be achieved by enabling the
+  # 'use_xvfb' flag. This will wrap all wkhtmltopdf commands around the
+  # 'xvfb-run' command, in order to simulate an X server.
+  #
+  # config.use_xvfb = true
+end

config/locales/en.yml

@@ -1,31 +1,22 @@
-# Files in the config/locales directory are used for internationalization and
-# are automatically loaded by Rails. If you want to use locales other than
-# English, add the necessary files in this directory.
-#
-# To use the locales, use `I18n.t`:
-#
-#     I18n.t "hello"
-#
-# In views, this is aliased to just `t`:
-#
-#     <%= t("hello") %>
-#
-# To use a different locale, set it with `I18n.locale`:
-#
-#     I18n.locale = :es
-#
-# This would use the information in config/locales/es.yml.
-#
-# To learn more about the API, please read the Rails Internationalization guide
-# at https://guides.rubyonrails.org/i18n.html.
-#
-# Be aware that YAML interprets the following case-insensitive strings as
-# booleans: `true`, `false`, `on`, `off`, `yes`, `no`. Therefore, these strings
-# must be quoted to be interpreted as strings. For example:
-#
-#     en:
-#       "yes": yup
-#       enabled: "ON"
-
 en:
   hello: "Hello world"
+  active_record:
+    attributes:
+      guest:
+        status: Status
+      guest/status:
+        considered: Considered
+        invited: Invited
+        confirmed: Confirmed
+        declined: Declined
+        tentative: Tentative
+
+  admin_mailer:
+    greeting: "Dear user"
+    attendance_change_email:
+      subject: "%{name} has changed their attendance status: %{status}"
+      paragraph_1: "The guest %{name} has changed their attendance for the wedding."
+      notify_on_updates: "You will be notified of any further changes to their attendance status."
+    invitations_pdf_email:
+      subject: "Your wedding invitations are ready"
+      paragraph_1: "Your wedding invitations are ready. Please, find them attached to this email."

config/routes.rb

@@ -42,7 +42,9 @@ Rails.application.routes.draw do
 
     resources :tables_arrangements, only: %i[index show create]
     resources :summary, only: :index
-    resources :invitations, only: %i[index create update destroy]
+    resources :invitations, only: %i[show index create update destroy] do
+      post :email, on: :collection
+    end
 
     root to: redirect("/%{slug}")
   end

db/migrate/20250801102437_add_status_column_to_tables_arrangements.rb

@@ -0,0 +1,5 @@
+class AddStatusColumnToTablesArrangements < ActiveRecord::Migration[8.0]
+  def change
+    add_column :tables_arrangements, :status, :string, default: :complete, null: false
+  end
+end

db/migrate/20250908145119_add_progress_to_tables_arrangements.rb

@@ -0,0 +1,5 @@
+class AddProgressToTablesArrangements < ActiveRecord::Migration[8.0]
+  def change
+    add_column :tables_arrangements, :progress, :float, default: 0, null: false
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_06_08_181054) do
+ActiveRecord::Schema[8.0].define(version: 2025_09_08_145119) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_catalog.plpgsql"
 
@@ -216,6 +216,8 @@ ActiveRecord::Schema[8.0].define(version: 2025_06_08_181054) do
     t.string "name", null: false
     t.uuid "wedding_id", null: false
     t.uuid "digest", default: -> { "gen_random_uuid()" }, null: false
+    t.string "status", default: "complete", null: false
+    t.float "progress", default: 0.0, null: false
     t.index ["wedding_id"], name: "index_tables_arrangements_on_wedding_id"
   end
 

db/seeds.rb

@@ -86,7 +86,9 @@ ActsAsTenant.with_tenant(wedding) do
 
   # TODO: Clean up invitations with no guests
 
-  ActiveJob.perform_all_later(3.times.map { TableSimulatorJob.new(wedding.id) })
+  3.times { TablesArrangement.create! }
+    .map { |arrangement| TableSimulatorJob.new(wedding.id, arrangement.id) }
+    .then { |jobs| ActiveJob.perform_all_later }
 
   "red".dup.paint.palette.triad(as: :hex).zip(Group.roots).each { |(color, group)| group.update!(color: color.paint.desaturate(40)) }
 

lib/tasks/vns.rake

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+namespace :vns do
+  desc 'Benchmarks the efficiency of the VNS implementation'
+  task benchmark: :environment do
+    ActsAsTenant.with_tenant(Wedding.first) do
+      Rails.logger.info "There are #{Guest.potential.count} potential guests"
+
+      engine = VNS::Engine.new
+
+      engine.add_optimization(Tables::Swap)
+      engine.add_optimization(Tables::Shift)
+
+      hierarchy = AffinityGroupsHierarchy.new
+      initial_solution = Tables::Distribution.new(min_per_table: 8, max_per_table: 10, hierarchy:)
+
+      random = Random.new(561_163)
+      initial_solution.random_distribution(Guest.potential.shuffle(random:), random:)
+
+      engine.initial_solution = initial_solution
+
+      engine.target_function(&:discomfort)
+
+      engine.notify_progress do |current_progress|
+        Rails.logger.info "Progress: #{(current_progress * 100.0).round(2)}%"
+      end
+
+      engine.on_better_solution do |better_solution|
+        Rails.logger.info "New best solution found with discomfort: #{better_solution.discomfort}"
+      end
+
+      solution = Rails.benchmark('VNS Benchmarking') { engine.run }
+
+      Rails.logger.info "Best solution found with discomfort: #{solution.discomfort}"
+    end
+  end
+end

nginx.conf

@@ -12,6 +12,11 @@ server {
         proxy_set_header Host $http_host;
     }
 
+    location /jobs/ {
+        proxy_pass http://backend:3000/jobs/;
+        proxy_set_header Host $http_host;
+    }
+
     location /captcha/v2/media/ {
         proxy_pass http://libre-captcha:8888/v2/media/;
         proxy_set_header Host $http_host;

spec/requests/tables_arrangements_spec.rb

@@ -19,7 +19,8 @@ RSpec.describe 'tables_arrangements' do
                    id: { type: :string, format: :uuid },
                    name: { type: :string },
                    discomfort: { type: :integer },
-                   valid: { type: :boolean }
+                   valid: { type: :boolean },
+                   status: { type: :string, enum: %w[complete in_progress] }
                  }
                }
         xit

spec/services/tables/discomfort_calculator_spec.rb

@@ -14,14 +14,14 @@ module Tables
 
     describe '#calculate' do
       before do
-        allow(calculator).to receive_messages(table_size_penalty: 2, cohesion_discomfort: 3)
+        allow(calculator).to receive_messages(table_size_penalty: 2, cohesion_penalty: 5, invitations_penalty: 4)
       end
 
       let(:table) { Table.new(create_list(:guest, 6)) }
 
       it 'returns the sum of the table size penalty and the average cohesion penalty', :aggregate_failures do
-        expect(calculator.calculate).to eq(7)
+        expect(calculator.calculate).to eq(11)
-        expect(calculator.breakdown).to eq(table_size_penalty: 2, cohesion_penalty: 5)
+        expect(calculator.breakdown).to eq(table_size_penalty: 2, cohesion_penalty: 5, invitations_penalty: 4)
       end
     end
 
@@ -73,5 +73,102 @@ module Tables
         it { expect(calculator.send(:table_size_penalty)).to eq(10) }
       end
     end
+
+    describe '#cohesion_penalty' do
+      let(:calculator) { described_class.new(table:, hierarchy:) }
+      let(:table) { Table.new(guests) }
+
+      context 'when all guests belong to the same group' do
+        let(:guests) { create_list(:guest, 6, group: family) }
+        let(:hierarchy) { instance_double(AffinityGroupsHierarchy, discomfort: 0) }
+
+        it 'returns 0 as cohesion penalty' do
+          expect(calculator.send(:cohesion_penalty)).to eq(0)
+        end
+      end
+
+      context 'when guests belong to two different groups with discomfort 1' do
+        let(:guests) do
+          create_list(:guest, 3, group: family) +
+            create_list(:guest, 3, group: friends)
+        end
+        let(:hierarchy) do
+          instance_double(AffinityGroupsHierarchy, discomfort: 1)
+        end
+
+        it 'calculates the correct cohesion penalty' do
+          # 3 from family, 3 from friends: 3*3*1 = 9 discomfort
+          expect(calculator.send(:cohesion_penalty)).to eq(10 * (9.0 / 6))
+        end
+      end
+
+      context 'when guests belong to three groups with different discomforts' do
+        let(:guests) do
+          create_list(:guest, 2, group: family) +
+            create_list(:guest, 2, group: friends) +
+            create_list(:guest, 2, group: work)
+        end
+        let(:hierarchy) do
+          instance_double(AffinityGroupsHierarchy)
+        end
+
+        before do
+          allow(hierarchy).to receive(:discomfort).with(family.id, friends.id).and_return(0.5)
+          allow(hierarchy).to receive(:discomfort).with(family.id, work.id).and_return(1)
+          allow(hierarchy).to receive(:discomfort).with(friends.id, work.id).and_return(0.2)
+          allow(hierarchy).to receive(:discomfort).with(friends.id, family.id).and_return(0.5)
+          allow(hierarchy).to receive(:discomfort).with(work.id, family.id).and_return(1)
+          allow(hierarchy).to receive(:discomfort).with(work.id, friends.id).and_return(0.2)
+        end
+
+        it 'calculates the correct cohesion penalty' do
+          # pairs: (family, friends): 2*2*0.5 = 2
+          #        (family, work):    2*2*1   = 4
+          #        (friends, work):   2*2*0.2 = 0.8
+          # total discomfort = 2 + 4 + 0.8 = 6.8
+
+          expect(calculator.send(:cohesion_penalty)).to eq(10 * (6.8 / 6))
+        end
+      end
+    end
+
+    describe '#invitations_penalty' do
+      let(:invitation_a) { create(:invitation) }
+      let(:invitation_b) { create(:invitation) }
+      let(:invitation_c) { create(:invitation) }
+
+      let(:table) do
+        create_list(:guest, 2, invitation: invitation_a) +
+          create_list(:guest, 3, invitation: invitation_b) +
+          create_list(:guest, 4, invitation: invitation_c)
+      end
+
+      context 'when the table contains all members of an invitation' do
+        it 'returns 0 as penalty' do
+          expect(calculator.send(:invitations_penalty)).to eq(0)
+        end
+      end
+
+      context 'when there is an additional guest of one of the invitations that is not included' do
+        before do
+          create(:guest, invitation: invitation_a)
+        end
+
+        it 'returns the penalty for the missing guest' do
+          expect(calculator.send(:invitations_penalty)).to eq(2)
+        end
+      end
+
+      context 'when there are multiple guests missing from different invitations' do
+        before do
+          create(:guest, invitation: invitation_b)
+          create(:guest, invitation: invitation_c)
+        end
+
+        it 'returns 2x # of guests left out as the total penalty for all missing guests' do
+          expect(calculator.send(:invitations_penalty)).to eq(4)
+        end
+      end
+    end
   end
 end

spec/services/tables/distribution_spec.rb

@@ -6,8 +6,43 @@ require 'rails_helper'
 
 module Tables
   RSpec.describe Distribution do
+    let(:tables_arrangement) { TablesArrangement.create! }
+
+    around do |example|
+      ActsAsTenant.with_tenant(create(:wedding)) do
+        example.run
+      end
+    end
+
+    describe '#save!' do
+      let(:people) { create_list(:guest, 2, status: :invited) }
+      let(:distribution) do
+        described_class.new(min_per_table: 5, max_per_table: 10, tables_arrangement_id: tables_arrangement.id)
+                       .tap { |d| d.random_distribution(people) }
+      end
+
+      context 'when tables_arrangement_id is nil' do
+        it { expect { distribution.save! }.to change(TablesArrangement, :count).by(1) }
+        it { expect { distribution.save! }.to change(Seat, :count).by(2) }
+      end
+
+      context 'when tables_arrangement_id is set' do
+        before do
+          existing_arrangement = TablesArrangement.create!
+
+          existing_arrangement.seats.create!(guest: people.first, table_number: 1)
+          distribution.tables_arrangement_id = existing_arrangement.id
+        end
+
+        it { expect { distribution.save! }.not_to(change(TablesArrangement, :count)) }
+        it { expect { distribution.save! }.to change(Seat, :count).by(1) }
+      end
+    end
+
     describe '#random_distribution' do
-      subject(:distribution) { described_class.new(min_per_table: 5, max_per_table: 10) }
+      subject(:distribution) do
+        described_class.new(min_per_table: 5, max_per_table: 10, tables_arrangement_id: tables_arrangement.id)
+      end
 
       context 'when there are fewer people than the minimum per table' do
         it 'creates one table' do

spec/services/tables/shift_spec.rb

@@ -17,7 +17,7 @@ module Tables
 
       context 'when there are two tables with two people each' do
         let(:initial_solution) do
-          Distribution.new(min_per_table: 2, max_per_table: 2).tap do |distribution|
+          Distribution.new(min_per_table: 2, max_per_table: 2, tables_arrangement_id: nil).tap do |distribution|
             distribution.tables << Set[:a, :b].to_table
             distribution.tables << Set[:c, :d].to_table
           end
@@ -35,7 +35,7 @@ module Tables
 
       context 'when there are two tables with three people each' do
         let(:initial_solution) do
-          Distribution.new(min_per_table: 3, max_per_table: 3).tap do |distribution|
+          Distribution.new(min_per_table: 3, max_per_table: 3, tables_arrangement_id: nil).tap do |distribution|
             distribution.tables << Set[:a, :b, :c].to_table
             distribution.tables << Set[:d, :e, :f].to_table
           end

spec/services/tables/swap_spec.rb

@@ -17,7 +17,7 @@ module Tables
 
       context 'when there are two tables with two people each' do
         let(:initial_solution) do
-          Distribution.new(min_per_table: 2, max_per_table: 2).tap do |distribution|
+          Distribution.new(min_per_table: 2, max_per_table: 2, tables_arrangement_id: nil).tap do |distribution|
             distribution.tables << Set[:a, :b].to_table
             distribution.tables << Set[:c, :d].to_table
           end
@@ -35,7 +35,7 @@ module Tables
 
       context 'when there are two tables with three people each' do
         let(:initial_solution) do
-          Distribution.new(min_per_table: 3, max_per_table: 3).tap do |distribution|
+          Distribution.new(min_per_table: 3, max_per_table: 3, tables_arrangement_id: nil).tap do |distribution|
             distribution.tables << Set[:a, :b, :c].to_table
             distribution.tables << Set[:d, :e, :f].to_table
           end
@@ -58,7 +58,7 @@ module Tables
 
       context 'when there are three tables with two people each' do
         let(:initial_solution) do
-          Distribution.new(min_per_table: 2, max_per_table: 2).tap do |distribution|
+          Distribution.new(min_per_table: 2, max_per_table: 2, tables_arrangement_id: nil).tap do |distribution|
             distribution.tables << Set[:a, :b].to_table
             distribution.tables << Set[:c, :d].to_table
             distribution.tables << Set[:e, :f].to_table

spec/services/tables/wheel_swap_spec.rb

@@ -0,0 +1,28 @@
+# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
+
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+module Tables
+  RSpec.describe WheelSwap do
+    context 'when the solution has three tables' do
+      let(:initial_solution) do
+        Distribution.new(min_per_table: 3, max_per_table: 3, tables_arrangement_id: nil).tap do |distribution|
+          distribution.tables << Set[:a, :b, :c].to_table
+          distribution.tables << Set[:d, :e, :f].to_table
+          distribution.tables << Set[:g, :h, :i].to_table
+        end
+      end
+
+      it 'swaps a random guest from each table with a guest from another table', :aggregate_failures do
+        result = described_class.new(initial_solution).call
+
+        expect(result.tables.size).to eq(3)
+        expect(result.tables.map(&:size)).to all(eq(3))
+
+        expect(result.tables.map(&:to_a).flatten).to match_array((:a..:i).to_a)
+      end
+    end
+  end
+end